ModelRefs / Gemini 2.0 Flash vs o3 — Benchmarks, Pricing & Coding Compa…
Gemini 2.0 Flash vs o3 — Benchmarks, Pricing & Coding Compa…
Gemini 2.0 Flash vs o3: side-by-side benchmarks, pricing, context windows, coding ability and deployment. Pick the right model for your stack.
Overview
o3: o3 is OpenAI's extended-thinking reasoning model, applying deliberate chain-of-thought computation to excel on mathematics, science, and competitive programming tasks. Released in April 2025, it introduced OpenAI's scalable test-time compute approach at production scale.
Context window: Gemini 2.0 Flash accepts up to 1,000,000 tokens, o3 up to 200,000. Confirm the limit for your specific deployment channel before relying on it.
Gemini 2.0 Flash vs o3 at a glance
| Attribute | Gemini 2.0 Flash | o3 |
|---|---|---|
| Provider | OpenAI | |
| Released | 2025-02-05 | 2025-04-01 |
| Context window | 1,000,000 tokens | 200,000 tokens |
| Input price | $0.1/M tokens | $10/M tokens |
| Output price | $0.4/M tokens | $40/M tokens |
| Licence | Proprietary | Proprietary |
| Self-hostable | No, hosted only | No, hosted only |
| Modalities | text, vision, audio | text, vision |
Where they differ most
- Cost Efficiency: Gemini 2.0 Flash 93%, o3 13%. Gemini 2.0 Flash leads on this dimension.
- Reasoning: Gemini 2.0 Flash 78%, o3 83%. o3 leads on this dimension.
Capability scores are ModelRefs' own derived signals, not vendor claims or benchmark results. Validate against your own workload before relying on them.
Continue your research
Use these connected ModelRefs sections to compare alternatives, inspect implementation paths, and review the evidence and governance boundaries relevant to Gemini 2.0 Flash vs o3 — Benchmarks, Pricing & Coding Compa….
Frequently asked questions
Which is better, Gemini 2.0 Flash or o3?
Gemini 2.0 Flash and o3 target different workloads — see the benchmark and pricing tables for a side-by-side answer.
Is Gemini 2.0 Flash cheaper than o3?
Compare $0.00010 vs $0.0100 on this page.